python3

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In delete_realm_export, we assert that the export has extra_data on it:
https://github.com/zulip/zulip/blob/30f2d50f1f5255ee3c3200d6f88ba8dbea6bc4dd/zerver/views/realm_export.py#L94

This is only set after the export is complete:
https://github.com/zulip/zulip/blob/30f2d50f1f5255ee3c3200d6f88ba8dbea6bc4dd/zerver/worker/queue_processors.py#L1000-L1006

The combination of these means that

https://docs.python.org/3/library/hashlib.html

Changed in version 3.9: All hashlib constructors take a keyword-only argument usedforsecurity with default value True. A false value allows the use of insecure and blocked hashing algorithms in restricted environments. False indicates that the hashing algorithm is not used in a security context, e.g. as a non-cryptographic one-way compression fun

Enhancements : Support for RTCP packets (RFC 3550)

Describe the bug

The function typer.main.get_group is annotated as returning a click.Command which isn't wrong because a click.Group is a click.Command, but means I have to cast to group when trying to integrate with existing Click applications.

To Reproduce

Steps to reproduce the behavior with a minimum self-contained file.

Replace each part with your own scenario:

The official instructions say to use joblib for pickling PyOD models.

This fails for AutoEncoders, or any other TensorFlow-backed model as far as I can tell. The error is:

>>> dump(model, 'model.joblib')
...
TypeError: can't pickle _thread.RLock objects

Note that it's not sufficient to save the underlying Keras S